Development of models for studies of air pollution

Abstract
The growing population combined with an overall higher standard of living results
in higher emissions of nitrogen oxides, photochemical oxidants and volatile organic
compounds. Air pollution models are important tools in surveying the effects of this
development and understanding how emissions spread from their point of origin.
The purpose of this project is to create a complete air pollution model, given a
stationary one dimensional air parcel model, the ESX model. The model will follow
the flight path of an air parcel, a trajectory, along which it will collect data concerning
meteorology and toxic release.
The atmosphere can be divided into different boundary layers where the mixing layer
is the most interesting for air pollution studies. The mixing layer is characterized by
high turbulence which gives a significant mixing of emissions. An airpollution model
therefore has to consider equations concerning this layer and its height, the mixing
height.
The project has resulted in a greater understanding of atmospheric chemistry and
meteorology, but also two separate air pollution models based on the ESX model, HY-
ESX and EStraX. The models are developed and executable in a Linux environment.
The main difference between the two models is in how they compute the trajectories,
one uses third-party application HYSPLIT and the other calculates them directly from
meteorological data supplied by ECMWF. Evaluation of the models precision hasnt
been fully concluded due to problems with the ESX model, but both serve as systems
that provide the ESX model with necessary data through trajectory generation.

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BibTeX @misc{Almqvist2015,author={Almqvist, Frida and Ekström, Katrin and Bohlin, Oskar and Mårtensson, Anton and Seljelid, Eirik},title={Utveckling av modeller för studier av luftföroreningar},abstract={Abstract
The growing population combined with an overall higher standard of living results
in higher emissions of nitrogen oxides, photochemical oxidants and volatile organic
compounds. Air pollution models are important tools in surveying the effects of this
development and understanding how emissions spread from their point of origin.
The purpose of this project is to create a complete air pollution model, given a
stationary one dimensional air parcel model, the ESX model. The model will follow
the flight path of an air parcel, a trajectory, along which it will collect data concerning
meteorology and toxic release.
The atmosphere can be divided into different boundary layers where the mixing layer
is the most interesting for air pollution studies. The mixing layer is characterized by
high turbulence which gives a significant mixing of emissions. An airpollution model
therefore has to consider equations concerning this layer and its height, the mixing
height.
The project has resulted in a greater understanding of atmospheric chemistry and
meteorology, but also two separate air pollution models based on the ESX model, HY-
ESX and EStraX. The models are developed and executable in a Linux environment.
The main difference between the two models is in how they compute the trajectories,
one uses third-party application HYSPLIT and the other calculates them directly from
meteorological data supplied by ECMWF. Evaluation of the models precision hasnt
been fully concluded due to problems with the ESX model, but both serve as systems
that provide the ESX model with necessary data through trajectory generation.},publisher={Institutionen för rymd- och geovetenskap, Chalmers tekniska högskola},place={Göteborg},year={2015},keywords={Trajektory, air pollution model, python, HYSPLIT, air pollution, me-},note={37},}

RefWorks RT GenericSR ElectronicID 218827A1 Almqvist, FridaA1 Ekström, KatrinA1 Bohlin, OskarA1 Mårtensson, AntonA1 Seljelid, EirikT1 Utveckling av modeller för studier av luftföroreningarT2 Development of models for studies of air pollutionYR 2015AB Abstract
The growing population combined with an overall higher standard of living results
in higher emissions of nitrogen oxides, photochemical oxidants and volatile organic
compounds. Air pollution models are important tools in surveying the effects of this
development and understanding how emissions spread from their point of origin.
The purpose of this project is to create a complete air pollution model, given a
stationary one dimensional air parcel model, the ESX model. The model will follow
the flight path of an air parcel, a trajectory, along which it will collect data concerning
meteorology and toxic release.
The atmosphere can be divided into different boundary layers where the mixing layer
is the most interesting for air pollution studies. The mixing layer is characterized by
high turbulence which gives a significant mixing of emissions. An airpollution model
therefore has to consider equations concerning this layer and its height, the mixing
height.
The project has resulted in a greater understanding of atmospheric chemistry and
meteorology, but also two separate air pollution models based on the ESX model, HY-
ESX and EStraX. The models are developed and executable in a Linux environment.
The main difference between the two models is in how they compute the trajectories,
one uses third-party application HYSPLIT and the other calculates them directly from
meteorological data supplied by ECMWF. Evaluation of the models precision hasnt
been fully concluded due to problems with the ESX model, but both serve as systems
that provide the ESX model with necessary data through trajectory generation.PB Institutionen för rymd- och geovetenskap, Chalmers tekniska högskola,PB Institutionen för rymd- och geovetenskap, Chalmers tekniska högskola,PB Institutionen för rymd- och geovetenskap, Chalmers tekniska högskola,PB Institutionen för rymd- och geovetenskap, Chalmers tekniska högskola,PB Institutionen för rymd- och geovetenskap, Chalmers tekniska högskola,LA engLK http://publications.lib.chalmers.se/records/fulltext/218827/218827.pdfOL 30